# Ping Broadcast
# Francesco Latini
# www.francescolatini.net

IFCONFIG="/sbin/ifconfig"
INTERFACE="eth0"
IP=`$IFCONFIG $INTERFACE | grep "inet addr:" | awk {'print $2'} | sed {s/addr://g}`
PING=`which ping`
NUM="2"
OPT="-c $NUM -b"
BROADCAST=`$IFCONFIG $INTERFACE | grep "inet addr:" | awk '{ print $3}' | sed {s/Bcast://g}`
IP2MATCH=`$IFCONFIG $INTERFACE | grep "inet addr:" | awk '{ print $3}' | sed {s/Bcast://g} | sed {s/.255//g}`
RES_PING=`$PING $OPT $BROADCAST 2>/dev/null | grep -i 10.253.23 | grep -v PING | grep -v $IP | grep -v statistics | awk {'print $4'} | sed {s/://g}`
NUM_RES_PING=`$PING $OPT $BROADCAST 2>/dev/null | grep -i 10.253.23 | grep -v statistics | grep -v PING | wc -l`

echo -e "\nHostname: $HOSTNAME"
for i in `$IFCONFIG $INTERFACE | grep -v "Local Loopback"  | grep "Link encap" | awk {'print $1'}`; do
	echo -e "|_ $i"
    echo -e "  \\_"
    echo -e "    |_ mac: `/sbin/ifconfig $i | grep "HWaddr" | awk '{ print $5}'`"
    echo -e "    |_ ip: `/sbin/ifconfig $i | grep "inet addr:" | awk '{ print $2}' | sed {s/addr://g}`"
    echo -e "    |_ bcast: $BROADCAST"
    echo -e "    |_ mask: `/sbin/ifconfig $i | grep "inet addr:" | awk '{ print $4}' | sed {s/Mask://g}`\n"
done

for p in $RES_PING; do
	ips=( "${ips[@]}" $RES_PING )
done

for (( i=0; i<$NUM_RES_PING; i++ )); do
	for j in ${ips[$i]}; do
		echo -e "Host $i: ${ips[$i]}"
	done
done